738856531

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{647}}^1$

素因数の和:891

約数の個数: 32

約数和(自身を含む): 909232128

約数和(自身を除く): 170375597

約数列:

[1, 7, 23, 41, 161, 173, 287, 647, 943, 1211, 3979, 4529, 6601, 7093, 14881, 26527, 27853, 49651, 104167, 111931, 163139, 185689, 610121, 783517, 1141973, 2574413, 4270847, 4589171, 18020891, 32124197, 105550933, 738856531]

約数ペア:

[(1, 738856531), (7, 105550933), (23, 32124197), (41, 18020891), (161, 4589171), (173, 4270847), (287, 2574413), (647, 1141973), (943, 783517), (1211, 610121), (3979, 185689), (4529, 163139), (6601, 111931), (7093, 104167), (14881, 49651), (26527, 27853)]